Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  The star 9 Cas
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Abell 85 Tulip Bulb in the space (SII+Ha)OO, Jian Yuan Peng
Abell 85 Tulip Bulb in the space (SII+Ha)OO
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Abell 85 Tulip Bulb in the space (SII+Ha)OO

Getting plate-solving status, please wait...
Abell 85 Tulip Bulb in the space (SII+Ha)OO, Jian Yuan Peng
Abell 85 Tulip Bulb in the space (SII+Ha)OO
Powered byPixInsight

Abell 85 Tulip Bulb in the space (SII+Ha)OO

Equipment

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Acquisition details

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Description

It looks like a tulip bulb ready for winter planting. 
I collected the data on this object from September  21 to Oct. 1 before I had a long camping trip. I processed them last week and really liked the result. Hope you like it and CC is welcome.
Thank you and Clear Sky
Jian Yuan Peng

Technical details:
Red: SII + Ha
Green: OIII
Blue: OIII + OIII
RGB stars
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Telescope: TEC 160FL + TEC FRC 0.9x
Mount: Astro-Physics 1100GTO
Imaging cameras: ZWO ASI6200MM
Software: PHD2, PixInsight, Lightroom Classic, Sequence Generator Pro, Photoshop 
Location: Palo Alto, California, USA

Astrodon 50mm Unmounted 3nm Narrowband Ha, SII, OIII filters
Astrodon Tru-Balance Gen 2 - E-Series LRGB Filter

Blue   36x120"      72 Minutes                  Bin1x1 
Green  35x120"      70 Minutes                  Bin1x1 
Red    34x120"      68 Minutes                  Bin1x1 
Ha     30x1800"     15 Hours  Bin1x1  
OIII   32x1800"     16 Hours  Bin1x1 
SII    30x1800"     15 Hours  Bin1x1
Integration: 49.5 hours

Image Plate Solver script version 5.6.5
===============================================================================
Referentiation matrix (world[ra,dec] = matrix * image[x,y]):
 +6.27711263e-06  +2.17347867e-04  -7.24266711e-01
 -2.17253088e-04  +6.28278414e-06  +1.02018580e+00
WCS transformation ....... Linear
Projection ............... Gnomonic
Projection origin ........ [4788.208397 3194.006896] px -> [RA: 23 59 42.559  Dec: +62 24 09.23]
Resolution ............... 0.783 arcsec/px
Rotation ................. -91.668 deg
Reference system ......... ICRS
Observation start time ... 2022-09-21 07:13:45 UTC
Observation end time ..... 2022-10-01 07:15:45 UTC
Focal distance ........... 990.99 mm
Pixel size ............... 3.76 um
Field of view ............ 2d 4' 54.3" x 1d 23' 19.3"
Image center ............. RA: 23 59 42.557  Dec: +62 24 09.39

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